diff options
author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2013-08-08 12:38:31 +0200 |
---|---|---|
committer | Chris Ball <cjb@laptop.org> | 2013-08-24 23:45:09 -0400 |
commit | 214fc309d1387e822d606a33a10e31cacfe83520 (patch) | |
tree | 2c266dd95d8da7f54d7b43c20e5c2c0ebe6165be /drivers/mmc/host | |
parent | 7725a52c03df4dff3ac3fc621749407fb319d47f (diff) | |
download | linux-214fc309d1387e822d606a33a10e31cacfe83520.tar.bz2 |
mmc: slot-gpio: Add debouncing capability to mmc_gpio_request_cd()
Add a debounce parameter to the mmc_gpio_request_cd() function that
enables GPIO debouncing when set to a non-zero value. This can be used
by MMC host drivers to enable debouncing on the card detect signal.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r-- | drivers/mmc/host/jz4740_mmc.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/mvsdio.c | 3 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-pxav3.c | 3 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-sirf.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/sh_mmcif.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/tmio_mmc_pio.c | 2 |
7 files changed, 9 insertions, 7 deletions
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index d058f0c85f43..66516339e3a0 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -713,7 +713,7 @@ static int jz4740_mmc_request_gpios(struct mmc_host *mmc, mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH; if (gpio_is_valid(pdata->gpio_card_detect)) { - ret = mmc_gpio_request_cd(mmc, pdata->gpio_card_detect); + ret = mmc_gpio_request_cd(mmc, pdata->gpio_card_detect, 0); if (ret) return ret; } diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index 4ddd83f98658..06c5b0b28ebc 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -757,7 +757,8 @@ static int __init mvsd_probe(struct platform_device *pdev) if (mvsd_data->gpio_card_detect && gpio_is_valid(mvsd_data->gpio_card_detect)) { ret = mmc_gpio_request_cd(mmc, - mvsd_data->gpio_card_detect); + mvsd_data->gpio_card_detect, + 0); if (ret) goto out; } else { diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 1dd5ba858754..abc8cf01e6e3 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -616,7 +616,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) /* card_detect */ switch (boarddata->cd_type) { case ESDHC_CD_GPIO: - err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio); + err = mmc_gpio_request_cd(host->mmc, boarddata->cd_gpio, 0); if (err) { dev_err(mmc_dev(host->mmc), "failed to request card-detect gpio!\n"); diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index bf99359a3a90..793dacd3b841 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -278,7 +278,8 @@ static int sdhci_pxav3_probe(struct platform_device *pdev) host->mmc->pm_caps |= pdata->pm_caps; if (gpio_is_valid(pdata->ext_cd_gpio)) { - ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio); + ret = mmc_gpio_request_cd(host->mmc, pdata->ext_cd_gpio, + 0); if (ret) { dev_err(mmc_dev(host->mmc), "failed to allocate card detect gpio\n"); diff --git a/drivers/mmc/host/sdhci-sirf.c b/drivers/mmc/host/sdhci-sirf.c index 62a4a835acc6..696122c1b468 100644 --- a/drivers/mmc/host/sdhci-sirf.c +++ b/drivers/mmc/host/sdhci-sirf.c @@ -84,7 +84,7 @@ static int sdhci_sirf_probe(struct platform_device *pdev) * gets setup in sdhci_add_host() and we oops. */ if (gpio_is_valid(priv->gpio_cd)) { - ret = mmc_gpio_request_cd(host->mmc, priv->gpio_cd); + ret = mmc_gpio_request_cd(host->mmc, priv->gpio_cd, 0); if (ret) { dev_err(&pdev->dev, "card detect irq request failed: %d\n", ret); diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 6706b5e3b974..35f61cc3a392 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1436,7 +1436,7 @@ static int sh_mmcif_probe(struct platform_device *pdev) } if (pd && pd->use_cd_gpio) { - ret = mmc_gpio_request_cd(mmc, pd->cd_gpio); + ret = mmc_gpio_request_cd(mmc, pd->cd_gpio, 0); if (ret < 0) goto erqcd; } diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 718843cfacfc..17f7fa99376e 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -1110,7 +1110,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host **host, dev_pm_qos_expose_latency_limit(&pdev->dev, 100); if (pdata->flags & TMIO_MMC_USE_GPIO_CD) { - ret = mmc_gpio_request_cd(mmc, pdata->cd_gpio); + ret = mmc_gpio_request_cd(mmc, pdata->cd_gpio, 0); if (ret < 0) { tmio_mmc_host_remove(_host); return ret; |